Men's Big Star sports shoes are made of a combination of textile and plastic. These shoes have a Memory Foam System insole that remembers the shape of the foot, provides a perfect fit, absorbs shocks, is resistant to deformation and allows moisture to evaporate and temperature regulation. Big Star sneakers are very comfortable to use. You absolutely should have them! When choosing a size, please refer to the size chart. 41-27/42-27,5/43-28/44-28,5/45-29,5cm